/*******************************************************************************
 * Copyright 2017 osswangxining@163.com
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License.  You may obtain a copy
 * of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations under
 * the License.
 ******************************************************************************/
package org.iotp.infomgt.dao;

import java.util.List;
import java.util.UUID;

import com.google.common.util.concurrent.ListenableFuture;

public interface Dao<T> {

  List<T> find();

  T findById(UUID id);

  ListenableFuture<T> findByIdAsync(UUID id);

  T save(T t);

  boolean removeById(UUID id);

}
